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FEM -IBIEM coupled method for simulating scattering of seismic waves by 3-D complex local site

LIU Zhong-xian 1, HUANG Lei 1, LIANG Jian-wen 2 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017

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Author / responsible party
LIU Zhong-xian 1, HUANG Lei 1, LIANG Jian-wen 2
Publisher
Editorial Office of Chinese Journal of Geotechnical Engineering
Year
2017
ISSN
1000-4548
ISSN
1000-4548
Language
English
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A hybrid technique, FEM-IBIEM is developed for studying the scattering of seismic waves by a 3-D complex local site. The indirect boundary integral equation method (IBIEM) adopts the dynamic Green's functions of concentrated loads for a layered half-space. It can accurately satisfy the radiation condition of waves in semi-infinite layered media and greatly reduce the computational memory. For the local site with complex materials and geometric features, FEM is more convenient. Based on accuracy tests and taking the seismic wave scattering resulting from 3-D sedimentary basins and mountains as the example, the adaptability of the proposed method for the seismic response in the complex local site is conformed, and several beneficial conclusions about the 3-D sedimentary basin effects and mountain vibration are drawn. This method can be used for studying the scattering of elastic waves by arbitrary inhomogeneous site in layered half-space.

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APA 7

LIU Zhong-xian 1, H. L. 1. L. J. W. 2. (2017). FEM -IBIEM coupled method for simulating scattering of seismic waves by 3-D complex local site. https://doi.org/10.11779/CJGE201702014

MLA

LIU Zhong-xian 1, HUANG Lei 1, LIANG Jian-wen 2. "FEM -IBIEM coupled method for simulating scattering of seismic waves by 3-D complex local site." 2017. https://doi.org/10.11779/CJGE201702014.

Chicago

LIU Zhong-xian 1, HUANG Lei 1, LIANG Jian-wen 2. 2017. "FEM -IBIEM coupled method for simulating scattering of seismic waves by 3-D complex local site.". https://doi.org/10.11779/CJGE201702014.

Harvard

LIU Zhong-xian 1, H. L. 1. L. J. W. 2. 2017, FEM -IBIEM coupled method for simulating scattering of seismic waves by 3-D complex local site, Editorial Office of Chinese Journal of Geotechnical Engineering, available at: https://doi.org/10.11779/CJGE201702014 [Accessed 7 Aug. 2026].

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Title
FEM -IBIEM coupled method for simulating scattering of seismic waves by 3-D complex local site
Author / contributors
LIU Zhong-xian 1, HUANG Lei 1, LIANG Jian-wen 2
Publisher
Editorial Office of Chinese Journal of Geotechnical Engineering
Publication year
2017
ISSN
1000-4548
ISSN
1000-4548
Language
English

Subjects

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finite element method; indirect boundary integral equation method; coupled method; seismic wave scattering
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